Table 1 Specifics of the osteochondral scaffolds

Number of layers

2

3

2

Bone phase

Ca-sulfate

70% HA – 30% Coll I

Aragonite

40% HA – 60% Coll I

Cartilage phase

Hydrophilic polimer (PGA, PLGA, surfactant)

100% Coll I

Hyaluronate-impregnated aragonite

Plug size

∅ 5 - 11 mm cylinders

Square 35 x 35 mm (manual sizing)

∅ 6 - 18 mm cylinders

Plug depth

Max 18 mm (to be cut)

6 ± 2 mm (swelling)

15 or 20 mm